// From Sitepoint The Javascript Anthology
// Modified for use with technihowlib version
// Nigel Dahl 15/05/06
//

function initTooltips(topElem) {
	var tips;
	if (typeof topElem == "string") {
		tips = getDOMElementsByAttribute(topElem, "class", "hastooltip");
	} else {
		tips = getElementsByAttribute("class", "hastooltip");
	}

	for (var i = 0; i < tips.length; i++) {
    	addEvent(tips[i], "mouseover", showTip);
	    addEvent(tips[i], "mouseout", hideTip);
  	}
  	return true;
}

// Initialize after loading the page
addEvent(window, 'load', initTooltips);

function showTip(event) {

	if (typeof event == "undefined") {
		event = window.event;
	}
	
	var target = getEventTarget(event);
	
	while (target.className == null || !/(^| )hastooltip( |$)/.test(target.className)) {
		target = target.parentNode;
	}
	
	var tip = document.createElement("div");
	var content = target.getAttribute("tipcontent");
	
	target.tooltip = tip;
	//target.setAttribute("title", "");
	
	if (target.getAttribute("id") != "") {
		tip.setAttribute("id", target.getAttribute("id") + "tooltip");
	}
	
	tip.className = "tooltip";
	
	var scrollingPosition = getScrollingPosition();
	var cursorPosition = [0, 0];
	
	if (typeof event.pageX != "undefined" && typeof event.x != "undefined") {
		cursorPosition[0] = event.pageX;
		cursorPosition[1] = event.pageY;
	} else {
		cursorPosition[0] = event.clientX + scrollingPosition[0];
		cursorPosition[1] = event.clientY + scrollingPosition[1];
	}
	
	tip.style.position = "absolute";
	tip.style.left = cursorPosition[0] + 10 + "px";
	tip.style.top = cursorPosition[1] + 10 + "px";
	tip.style.visibility = "hidden";
	
	document.getElementsByTagName("body")[0].appendChild(tip);
	
	//alert(ShadowWindow(content));
	//tip.innerHTML = content;
	tip.innerHTML = ShadowWindow(content);
	ShadowFix();
	
	var viewportSize = getViewportSize();
	
	if (cursorPosition[0] - scrollingPosition[0] + 10 + 400 > viewportSize[0] - 25) {
		tip.style.left = scrollingPosition[0] + viewportSize[0] - 25 - 400 + "px";
	} else {
		tip.style.left = cursorPosition[0] + 10 + "px";
	}
	
	if (cursorPosition[1] - scrollingPosition[1] + 10 + tip.offsetHeight > viewportSize[1] - 25) {
		if (event.clientX > (viewportSize[0] - 25 - tip.offsetHeight)) {
			tip.style.top = cursorPosition[1] - tip.offsetHeight - 10 + "px";
		} else {
			tip.style.top = scrollingPosition[1] + viewportSize[1] - 25 - tip.offsetHeight + "px";
		}
	} else {
		tip.style.top = cursorPosition[1] + 10 + "px";
	}
	tip.style.visibility = "visible";
	return true;
}

function hideTip(event) {
  if (typeof event == "undefined") {
    event = window.event;
  }

  var target = getEventTarget(event);

  while (target.className == null || !target.className.match(/(^| )hastooltip( |$)/)) {
    target = target.parentNode;
  }

  if (target.tooltip != null) {
    //target.setAttribute("title", target.tooltip.innerHTML);
	target.tooltip.parentNode.removeChild(target.tooltip);
  }

  return false;
}
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

function  printProps(obj, objName) {
  var output = "" ;
  for (var prop in obj) {
    output += objName + "." + prop + " = " + obj[prop] + "\n" ;
  }
  return output ;
}
// EOF infobox.js